问题补充:
good use you have made of your time to work, there is still some room for improvement.
A. Whatever
B. However
C. Though
D. Whether
答案:
(答案→)A. Whatever
B. However
C. Though
D. Whether
解析:考查让步状语从句。句中good use放在一起是一个名词,用whatever修饰。句意:不管你怎么很好得利用你的时间去工作,还是有提升的空间。